Books by Lois Reel Hammer:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Hammer, Lois Reel: Perception of the visual vertical under reduced gravity (Wright-Patterson Air Force Base, Ohio : Behavioral Sciences Laboratory, 6570th Aerospace Medical Research Laboratories, Aerospace Medical Division, Air Force Systems Command, 1962., 1962), also by Aerospace Medical Research Laboratories (U.S.) (page images at HathiTrust)- Hammer, Lois Reel: Weightlessness and performance : a review of the literature (Wright-Patterson Air Force Base, Ohio, Aeronautical Systems Division, Air Force Systems Command, United States Air Force, 1961., 1961), also by J. P. Loftus and United States. Air Force. Systems Command. Aeronautical Systems Division (page images at HathiTrust)
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